WGU Introduction to Biology (KBC1, C190) : Introduction-to-Biology

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WGU Introduction-to-Biology Exam Syllabus Topics:

WGU Introduction to Biology (KBC1, C190) Sample Questions:

1. Coral reefs are built from calcium carbonate secretions of coral polyps and support diverse communities, but many are shrinking due to climate change. Which activity would have a negative impact on coral reef biodiversity?

A) Increasing the use of renewable energy sources
B) Developing technologies that reduce pollutants
C) Increasing use of fossil fuels
D) Increasing use of sustainable technologies

2. Which chromosomal set shows an abnormality most commonly associated with agenetic disorder?

A) XX
B) Trisomy21
C) Trisomy18
D) XYY

3. What is the process in which microbes convert glucose,in the absence of oxygen, intotwo ethanolmolecules andtwo carbon dioxidemolecules?

A) Aerobic oxidation
B) Fermentation
C) Carbon fixation
D) Phosphorylation

4. Which statement correctly describes the flow of information duringgene expression?

A) DNA is formed from protein, then RNA is formed from DNA
B) RNA is formed from protein, then DNA is formed from RNA
C) RNA is formed from DNA, then protein is formed from RNA
D) DNA is formed from RNA, then protein is formed from DNA

5. The Boreal forest includes trees (pine, spruce) and animals (lynx, elk) harvested for energy, food, or trade.
Which activity would negatively impact biodiversity there?

A) Decreasing logging throughout the Boreal forest
B) Increasing use of renewable (instead of nonrenewable) energy
C) Increasing human population
D) Decreasing human population

Solutions: